Python初学练习01：简易登录验证

Posted 2020-08-17

login.py

#!/usr/bin/python
ufile=‘user.txt‘
lockfile=‘lock.txt‘

import tab,os

logincleck = False
loginlock = False
locknum=1
while True:
 print "Input ID and Password.Please"
 userid=raw_input("UserID:").strip()
 userpass=raw_input("Password:").strip()
 if len(userid) > 0 and len(userpass) > 0 :
  break
while True :
 f1=file(ufile)
 f2=file(lockfile)
 for f2line in f2.readlines():
  if f2line.split()[0] == userid :
   loginlock = True
   break
 else:
  f2.close
 if loginlock is True:
  print "ERROR:ID is lock"
  break
 for f1line in f1.readlines():
  if f1line.split()[0] == userid and f1line.split()[1] == userpass :
   print "welcome %s " %userid
   logincleck = True
   break
 if logincleck is True:
  break
 if locknum > 3 :
  print "ERROR:password > 3 ,ID is lock"
  f3=file(lockfile,‘a‘)
  f3.write("%s\n" % userid)
  f3.close
  break
 print "Error:ID or Password error.input password.please"
 userpass=raw_input("Password:").strip()
 locknum=locknum+1

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